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Longevity & Skin · SKU P1-10
PT-141 10 mg
Melanocortin receptor agonist (bremelanotide) studied in neuroendocrine work.
$ 60 per 10 mg vial · free shipping over $300
In stock · ships same day on orders before 2pm ET
Purity (HPLC-UV)≥99.0% on lot PT1-2609-X
IdentityConfirmed by LC-MS
FormLyophilized powder, sealed vial
Endotoxin< 0.5 EU/mg (LAL)
Storage-20°C sealed · 2-8°C reconstituted
CertificateView COA for PT1-2609-X →
CAS number189691-06-3
Molecular formulaC50H68N14O10
Molecular weight1025.2 g/mol
Residues7
PubChemCID 9941379
Volume pricing, applied automatically in the cart
| Quantity | Per unit | You save |
|---|---|---|
| 3 to 4 units | $55.80 | 7% |
| 5 to 9 units | $53.40 | 11% |
| 10+ units | $50.40 | 16% |
Verify lot PT1-2609-X in the COA library · This month's lot report
Ships same day on orders before 2pm ET. For laboratory research use only. Not for human or animal consumption.
Frequently bought together
Supplies researchers add to this order
Reconstitution solution30 mL · $25
Reconstitution kitKit · $49.99
What is PT-141?
PT-141, also called bremelanotide, is a cyclic heptapeptide analogue of alpha-MSH and a metabolite of melanotan-2. It acts at melanocortin receptors, principally MC3R and MC4R, and is studied for central rather than peripheral melanocortin signalling. Pepstral supplies it as a lyophilized powder for in-vitro laboratory research only.
What is PT-141 studied for?
- MC3R and MC4R binding assays
- Central melanocortin signalling research
- Neuroendocrine pathway studies
- Comparisons against melanotan-2
All applications above are in-vitro or preclinical research contexts. PT-141 is sold for laboratory research only and is not for human or animal use.
What does the certificate for lot PT1-2609-X show?
Every lot of PT-141 is tested by an independent US laboratory before it is listed. The report for lot PT1-2609-X is in the COA library and the lot number printed on the vial matches it. The current results:
| Test | Method | Lot PT1-2609-X result |
|---|---|---|
| Identity | LC-MS | Matches the calculated mass for the sequence |
| Purity | HPLC-UV, 220 nm | 99.0% |
| Net peptide content | Amino acid analysis | Stated per vial on the certificate |
| Endotoxin | LAL, chromogenic | < 0.5 EU/mg |
| Sterility | USP <71> | Pass |
How is PT-141 handled and stored?
Sealed vials are stored at -20°C away from light and keep for 24 months. To reconstitute, add bacteriostatic water slowly down the inside wall of the vial and swirl until clear; never shake. Once in solution, keep at 2 to 8°C and use within the 28-day window on the certificate. The reconstitution guide covers volumes and syringe units and the concentration table gives the numbers for this vial.
Frequently asked questions
How does PT-141 relate to melanotan-2?
It is a metabolite of it, with the C-terminal amide replaced, which shifts activity away from MC1R and pigmentation.
Which receptors does it prefer?
It is described as acting principally at MC3R and MC4R rather than the MC1R pigmentary pathway.
Is PT-141 for human use?
No. Every product on this site is sold for in-vitro laboratory research only and is not for human or animal consumption, diagnostic or therapeutic use.
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